The Relationship between the Residual Stress and the Variation of Camber in Leaf Spring due to the Shot Peening

Kurihara, Y.; Shimoseki, Masayoshi; Sato, Kiyotoshi

doi:10.5346/trbane.1976.49

Cited by 1 publication

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“…These were soon followed by three-dimensional models able to resolve the important asymmetries of these systems (e.g. Kurihara 1976;Khain 1988) and, more recently, by three-dimensional models using a dynamical formulation based on the concept of potential vorticity (Montgomery and Enagonio 1998;Moller and Montgomery 2000;Chen and Yao 2001).…”

Section: Introductionmentioning

confidence: 99%

An axisymmetric model of a mature tropical cyclone incorporating azimuthal vorticity

Pearce

2004

Quart J Royal Meteoro Soc

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SUMMARYThe inner core of an axisymmetric mature hurricane-type vortex is rst constructed using the gradient-windbalance condition by specifying the tangential wind, º, and the mean temperature excess of the eye, which is assumed to be at rest. These parameters are used to de ne the con guration of the eye wall. A relation is then obtained relating the eye radius to a parameter ® in the relation r ® v D constant, de ning the in ow tangential wind at radius r, a parameter 0 involving v .D v R / at a radius R of order 100 km, and the eye temperature. This relation is shown to be readily adaptable to a model with an eye in solid rotation.A meridional circulation is constructed by specifying its azimuthal vorticity,´, and then calculating the temperature eld required to maintain a steady state; the full azimuthal vorticity equation rather than the gradientwind-balance approximation is used for this purpose. The main additional terms are those arising from vorticity advection by the meridional ow and a vorticity source related to the temperature lapse rate. The latter is the dominant additional term and implies model tangential winds which are about 5% supergradient near the eye wall.The role of the meridional circulation in both exporting the heat and importing the angular momentum required by the surface transfers is examined. The observed restriction of ® to a narrow band between 0.5 and 0.6 is shown to be consistent with its being determined by the ratio given by the strength of the surface heating divided by the mean temperature excess in the eye .D 1T E /, which must itself be restricted within a narrow band and can be regarded as determining ®. It is inferred that the model's maximum wind is effectively determined solely by 1T E . On the other hand, the eye radii of similar systems are roughly proportional to R, i.e. larger systems of similar intensities have larger eyes. Finally a conceptual model of the intensi cation phase is presented. After rst demonstrating that a ring of deep convection must contract, it is shown that the intensi cation process can be characterized as a downwards and inwards penetration of the eye wall from the convective ring out ow near the tropopause, limiting the contraction.

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Section: Introductionmentioning

confidence: 99%

An axisymmetric model of a mature tropical cyclone incorporating azimuthal vorticity

Pearce

2004

Quart J Royal Meteoro Soc

View full text Add to dashboard Cite

show abstract

The Relationship between the Residual Stress and the Variation of Camber in Leaf Spring due to the Shot Peening

Cited by 1 publication

References 5 publications

An axisymmetric model of a mature tropical cyclone incorporating azimuthal vorticity

An axisymmetric model of a mature tropical cyclone incorporating azimuthal vorticity

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